Home / 38,402.82-57,612.06-21,770.28

Finding the Fourth Proportional to 38,402.82, 57,612.06 and 21,770.28

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Solution

The fourth proportional to 38,402.82, 57,612.06 and 21,770.28 is: 32,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.82 : 57,612.06 = 21,770.28 : x
  2. Step 2: Convert to fraction form
    38,402.82/57,612.06 = 21,770.28/x
  3. Step 3: Cross multiply
    38,402.82x = 57,612.06 × 21,770.28
  4. Step 4: Simplify right side
    38,402.82x = 1,254,230,677.58
  5. Step 5: Solve for x
    x = 1,254,230,677.58/38,402.82
  6. Step 6: Final answer
    x = 32,659.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.